The Khan Academy is an excellent resource for learning online, free. Although they don't have materials specific to our Aptitude Test, they do cover many of the concepts that are evaluated on the test. You can access Khan Academy's free online training at https://www.khanacademy.org/.
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
KHAN ACADEMY